bileteral symmerty
Arial symmetry
Bilateral Symmetry
Annelids (such as earthworm and leeches) have bilateral symmetry.
yes
Most sponges of the Demospongiae type are considered asymetrical. (Not having symmetry.)
Dugesia is a type of flatworm. It lives in freshwater habitats in Africa, Asia, Australia, Europe and the Middle East.
The type of body plan a Dugesia has is an acoelomate body. This elongated body lacks internal structures for holding internal organs.
Dugesia sagitta was created in 1861.
Dugesia aenigma was created in 1984.
Dugesia golanica was created in 1991.
Dugesia sicula was created in 1948.
Dugesia tubqalis was created in 2012.
Dugesia notogaea was created in 1998.
Dugesia japonica was created in 1964.
On its head the Dugesia have lateral lobes and sensory organs called eyespots with make the dugesia look like it actually has eye on its head.
One type of symmetry is rotation. The second type of symmetry is translation. The third type of symmetry is reflection.
Dugesia will exibit negative phototaxis. Look it up in a zoology book. here is an article as well. http://www.helium.com/items/1079086-the-observation-of-dugesia-in-response-to-light-and-gravity